Tuesday, February 2, 2016

Magnetic Force Lines in a Coil (Solenoid) Carrying Electric Current

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To get a stronger magnetic field, a rolled (wound) conductor wire is used so it forms a longitudinal circle called coil (Solenoid). If the cavity of a coil (solenoid) is filled with bodies which are ferromagnetic, the magnetic field will be bigger than when it is not filled with ferromagnetic bodies. To enlarge the magnetic field in a coil the following method cam be done 
  1. Increasing the current that flows in the coil 
  2. Adding the winding of coil 
  3. Inserting ferromagnetic body in the coil. 
Reference:
Irawan, Etsa Indra dan Sunardi. 2008. Pelajaran IPA-Fisika Bilingual untuk SMP/MTs. Kelas IX. Bandung: CV.Yrama Widya.
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